能源化学(英文)
ISSN 1003-9953
     
天然气化学 2008, Vol. 17 Issue (1) :75-80    DOI:
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Partial oxidation of dimethyl ether to H2/syngas over supported Pt catalyst
Yazhong Chen, Zongping Shao*, Nanping Xu
State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, Nanjing 210009, Jiangsu, China
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摘要 Dimethyl ether (DME) is a non-toxic fuel with high H/C ratio and high volumetric energy density, and could be served as an ideal source of H2/syngas production for application in solid oxide fuel cells (SOFC). This study presents results of DME partial oxidation over a 1.5 wt% Pt/Ce0.4Zr0.6O2 catalyst under the condition of gas hourly space velocity (GHSV) of 15000-60000\: ml/(g·h), molar ratio of O2/DME of 0.5 and 500-700 0C, and this temperature range was also the operation temperature range for intermediate temperature SOFC. The results indicated that the catalyst showed good activity for the selective partial oxidation of DME to H2/syngas. Under the working conditions investigated, DME was completely converted. Increase in reaction temperature enhanced the amount of syngas, but lowered the H2/CO ratio and yield of methane; while increase in reaction GHSV resulted in only slight variation in the distribution of products. The good catalytic activity of Pt supported on Ce0.4Zr0.6O2 for the partial oxidation of DME may be directly associated with the good oxygen storage capacity of the support, which is worth of further investigation to develop materials for application in SOFC.
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Yazhong Chen
Zongping Shao*
Nanping Xu
关键词dimethyl ether   partial oxidation   Pt/Ce0.4Zr0.6O2   syngas   solid oxide fuel cell      
收稿日期: 2007-09-13; 发布日期: 2008-03-30
通讯作者 Zongping Shao   
引用本文:   
Yazhong Chen, Zongping Shao*, Nanping Xu .Partial oxidation of dimethyl ether to H2/syngas over supported Pt catalyst[J]  天然气化学 , 2008,V17(1): 75-80
Yazhong Chen, Zongping Shao*, Nanping Xu .Partial oxidation of dimethyl ether to H2/syngas over supported Pt catalyst[J]  Journal of Energy Chemistry, 2008,V17(1): 75-80
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http://www.jenergchem.org/CN/      或     http://www.jenergchem.org/CN/Y2008/V17/I1/75
 
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